Finding the Fourth Proportional to 109,412.96, 164,427.20 and 65,047.68

Step by Step Solution

1. Step 1: Write the proportion equation
   109,412.96 : 164,427.20 = 65,047.68 : x
2. Step 2: Convert to fraction form
   109,412.96/164,427.20 = 65,047.68/x
3. Step 3: Cross multiply
   109,412.96x = 164,427.20 × 65,047.68
4. Step 4: Simplify right side
   109,412.96x = 10,695,607,888.90
5. Step 5: Solve for x
   x = 10,695,607,888.90/109,412.96
6. Step 6: Final answer
   x = 97,754.49